Galapagos Ridge

Japanese: ガラパゴス海嶺 - がらぱごすかいれい
Galapagos Ridge

The chemical synthesis of sulfur bacteria is the primary production of organisms that produce large amounts of biomass, which is unusually high for deep-sea organisms.
[Marine Biogeography]
The geographic distribution of marine biological communities is determined by the strength of major ocean currents and temperature variations.

From [Hot Springs]

...Therefore, hot springs may exist on the ocean floor. Since 1977, the American deep-sea submersible Alvin has been used to survey the ocean floor at the Galapagos Ridge and the East Pacific Rise at 21° north latitude (mouth of the Gulf of California). In the summer of 1979, it was discovered that hot water was gushing out in the form of black smoke from a chimney-shaped pipe protruding from the ocean floor at a depth of 2,700 meters at the mouth of the Gulf of California.

*Some of the terminology that refers to the Galapagos Ridge is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…その説明には,〈時間―安定説〉が採用されている(後述)。最近,太平洋のガラパゴス海嶺など数ヵ所のマグマの湧き出し口付近で,硫黄バクテリアの化学合成を基礎生産として,深海としては異常に豊富な生物量をもつ生物群集が発見されている。
[海の生物地理]
 地理的な海の生物群集の分布は,大きい海流の勢力と,温度変化によって区画されている。…

【温泉】より

…したがって海底にも温泉があってもよい。アメリカの深海潜水船アルビンを用いて1977年からガラパゴス海嶺,東太平洋海膨北緯21゜地点(カリフォルニア湾口)などの海底調査が行われた。79年夏,カリフォルニア湾口水深2700mの地点で海底から突き出した煙突状のパイプから激しく黒煙状に熱水が噴出しているのが発見された。…

※「ガラパゴス海嶺」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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